US4154007B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4154007B1 - - Google Patents
Assignee: Individual
•
Filing: 1977-09-21
•
Granted: 1991-12-31
•
Expires: 1997-09-21
Abstract
No abstract record available.
Inventors
- 👤 P Judd Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:29
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/02; G09B19/025; G09B23/00; G09B23/06; G09B23/18; G09B23/183; G09B23/186; G09B5/00; G09B5/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-12-30 | 1995-07-01 | 1995-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-30 | 1999-07-01 | 1999-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-30 | 2003-07-01 | 2003-12-31 | $7700.00 | Window Closed / Lapsed |